The Society for Worldwide Interbank Financial Transfer (SWIFT) will unveil a new five-point security program for its member institutions following several attacks that led to the theft of millions of dollars, according to Reuters.

The plan, announced by SWIFT head Gottfried Liebbrant in a speech to the European Financial Services Conference, includes tougher software security requirements, support for banks looking to detect potential breaches, and improved information sharing among banks, according to CNET. The organization may also begin auditing banks’ security protocols, according to The Wall Street Journal.

The new security plan leans heavily on banks to be responsible for their own security. That’s because, though SWIFT was used to conduct the hacks, banks themselves are most at risk.

In the attacks, SWIFT’s system itself remained secure — it was banks’ access to it that was compromised. Thieves likely used cyberattacks or malicious employees to access bank credentials, logged into SWIFT and issued fraudulent requests for fund transfers, and then used malware to disguise their movements. That represents more of a threat to the global banking system than to SWIFT.

Banks are already beginning to tighten security measures. Last week, JPMorgan Chase limited some employee access to SWIFT’s system following the breaches as part of an overall procedure to review access following news of a threat. Other banks could follow suit moving forward.

It's no surprise that companies are more worried than ever about the looming threat of hackers penetrating their networks. In the last year, the number of records exposed in data breaches rose 97%, according to the Identity Theft Resource Center.

The frequency and sophistication of cyber attacks are at an all-time high, and the costs associated with data breaches continue to rise. While companies are investing more in cybersecurity to ward off attacks, they know they won’t be able to spend their way to absolute security. A cybersecurity team of more than 1,000 staffers with a budget of $250 million wasn’t enough to save JPMorgan Chase from getting hacked in 2014. As a result, companies are turning to cyber insurance to help mitigate the costs of a potential breach.

However, insurers have been slow to extend cyber insurance to many businesses, as they have yet to develop proven tools to help them assess the risks and costs associated with cyber attacks. Cyber insurance policies also often have high premiums and low coverage limits to help protect insurers from incurring too much exposure to a cyber attack.

Jonathan Camhi, research analyst for BI Intelligence, Business Insider's premium research service, has compiled a detailed report on cyber insurance that examines the growth of this market and identifies the key factors driving that growth. It also identifies the commercial sectors that are underserved in the cyber insurance market, which present a unique opportunity to insurers. Finally, it explains how insurers can find creative ways to cover these underserved markets while still limiting their overall exposure.

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Here are some key takeaways from the report:

Cyber insurance plans cover a variety of costs related to cyber attacks, including revenue lost from downtime, notifying customers impacted by a data breach, and providing identity theft protection for such customers.

Annual cyber insurance premiums will more than double over the next four years, growing from to ~$8 billion in 2020.

However, many insurance companies have been hesitant to offer cyber insurance because of the high frequency of cyber attacks and their steep costs. For example, Target’s notorious data breach cost the company more than $260 million.

Insurers also don’t have enough historical data about cyber attacks to help them fully understand their risks and exposures.

There are large underserved markets with very low cyber insurance adoption rates such as the manufacturing sector, where less than 5% of businesses have cyber insurance coverage.

In full, the report:

Projects the growing demand and premiums for cyber insurance in comparison to other common forms of commercial insurance.

Illustrates how cyber attacks are growing more sophisticated and more costly, which is driving more companies to consider cyber insurance.

Explains the obstacles that insurers face in extending cyber insurance coverage to different types of businesses.

Provides insights on how insurers can overcome these challenges to grow their cyber insurance business without incurring too much risk.

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